table tr th {
						padding: 10px;
					}

					#sitemap__table tr:nth-child(odd) td {
						background-color: #eee;
					}

					a:hover {
						text-decoration: none;
					}

EOF;

		/**
		 * Filters the CSS only for the sitemap stylesheet.
		 *
		 * @since 5.5.0
		 *
		 * @param string $css CSS to be applied to default XSL file.
		 */
		return apply_filters( 'wp_sitemaps_stylesheet_css', $css );
	}
}